常識

じょうしき

[joushiki]

Meanings

1.Noun

common sense; good sense; common knowledge; general knowledge; common practice; accepted practice; social etiquette

そんなの常識じゃないですか。

Isn't that common sense?

電車の中では静かにするのが常識だ。

It's common sense to keep quiet on the train.

常識を疑うことも時には大切です。

It's also important to question common sense.